1999 GMC Jimmy "leaking coolant" Questions

Ad

side. check the ends/corners of the intake manifold, they are also bad about the fuel pressure regulators leaking, and the plastic fuel lines under the intake leaking fuel. Dexcool is the coolant used

Ad

leaking and mixing the oil into the coolant side but not the other way. Check your transmission fluid for mixing evidence. Another thing to do is pressure test your cooling system (Radiator, hoses ect

Ad

Question about GMC Jimmy

1 Answer

coolant system tester and identify where it is leaking from. They are very simple to use. You just remove your radiator cap and install the tester and pump up the cooling system and then you watch for

Coolant leaking hevily behind power steering pump. No hoses behind there and the water pump has been replaced. Its attach points to the engine are NOT leaking. HELP You didn't mention the model, ...

Question about GMC Jimmy

1 Answer

...that's usually where you'll find the leak. See if the lower hose has a coolant stain on the bottom of it. follow it up to the water pump and you should probaly see the breather hole

...leaking coolant, how do I know if it is the radiator or a water pump problem??? is this a difficult repair if it is the radiator???? If the coolant is leaking out of the radiator or out of the bottom ...

...coolant out the leaking joint. As the engine cools, the leak prevents the coolant from being sucked back from the overflow tank. The heater hoses and those pesky little bypass hoses in the cooling ...

...coolant going. Is this a 4.3 engine? How many miles does the vehicle have? Has the intake gasket been changed? I'm guessing a can of "Bars Leak" may cure your problem. Let me know. Regards, Hi The ...

COOLLANL LEAK FROM THE BOOTON OF THE ENGINE N HITER NOT WORKIN Water pump is shot. They are actually designed to leak to tell you that you have a problem. The lack of coolant is giving you the loss of

leaking coolant from the rear freeze plug that has been fixed no more leaking, but it still over heats we bought a new water pump, radiator, flushed overflow and radiator, even removed thermostate all

Not finding what you are looking for?
1999 GMC Jimmy Logo

1,586 questions posted

Ask a Question

Usually answered in minutes!

Popular Products

2000 GMC Jimmy
2000 GMC Jimmy

1,363 Questions

1997 GMC Jimmy
1997 GMC Jimmy

1,123 Questions

1998 GMC Jimmy
1998 GMC Jimmy

1,127 Questions

2001 GMC Jimmy
2001 GMC Jimmy

838 Questions

1996 GMC Jimmy
1996 GMC Jimmy

768 Questions

Top GMC Experts

ZJ Limited
ZJ Limited

Level 3 Expert

17989 Answers

Ronny Bennett Sr.
Ronny Bennett Sr.

Level 3 Expert

6988 Answers

john h

Level 3 Expert

29494 Answers

Are you a GMC Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...